In this work, a system for high-level secretion by Saccharomyces cerevisiae of the Thermus thermophilus HB27 putative esterase YP_004875.1 was constructed. The recombinant protein was purified and partially characterised. Its lipolytic activity dropped abruptly when the acyl chain length of the substrate increased from 12 to 18 carbon atoms, and variation of the reaction rate as function of substrate concentration followed Michaelis-Menten kinetics. These results suggested that the enzyme was an esterase. The recombinant enzyme was N-glycosylated and both the glycosylated and non-glycosylated forms showed activity. Compared to the native enzyme, thermal stability (half-life of 4.3h at 85 degrees C) was higher, optimum temperature (40 degrees C) was lower and optimum pH (7.5-8.5) was similar. These characteristics support potential biotechnological applications of the recombinant esterase.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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